6840 Involution 



Homology, principles, application to perspec- 

 tive. Zona, T. Palermo G. Sc. Nt. 15 

 (1882) 152-. 



, trihedral sheafs. Eocha Peixoto, A. F. da. 

 G. Teix. J. Sc. 5 (*1883) 17-. 



Imaginaries, geometry of. Tarry, G. As. Fr. 

 C. E. (1887) (Pt. 2) 168- ; (1888) (Pt. 2) 31-. 



, . Retail, V. Bologna Ac. Sc. Mm. 9 



(1888) 259-. 



in project! ve geometry. Schur, F. Mth. 

 A. 39 (1891) 113-. 



, introduction of. Bonola, R. G. 



Mt. 38 (1900) 105-. 



Imaginary elements, pairs of, in synthetic pro- 

 jective geometry. Segre, C. Tor. Ac. Sc. 

 Mm. 38 (1888) 3-. 



projection. Servais, C, Brux. Mm. Cour. 

 8, 52 (1894-95) No. 3, 51 pp. 



of conic sections. Retail, V. Bologna 

 Ac. Sc. Mm. 7 (1886) 601-. 



Infinitely distant elements in geometry. Weyr, 

 E. Casopis 1 (*1872) 161- ; 2 (*1873) 105 ; 

 Fschr. Mth. (*1872) 328-; (*1873) 382. 



Involution. 



Terquem, O. N. A. Mth. 12 (1853) 24-. 

 Hesse, L. 0. [1863] (vn) Crelle J. 63 (1864) 



179-. 



Haiti, E. Arch. Mth. Ps. 63 (1879) 407-. 

 Korteweg, D. J. N. Arch. Wisk. 18 (1891) 131-. 

 Configurations, and application to conies. 



Seydewitz, F. Grunert Arch. 4 (1844) 246- ; 



5 (1844) 225-, 331-. 

 , uniform, elements of rank. Paulus, C. 



Grunert Arch. 21 (1853) 175-. 

 Elementary property of involutions. Pomey, 



J. B. N. A. Mth. 4 (1885) 489-. 

 Hesse's theorem and adjoined involutions. 



Roger, R. [1899] Hamb. Mth. Gs. Mt. 3 



(1900) 390-. 

 Hexagon, involutions connected with. Boger, 



R. [1899] Hamb. Mth. Gs. Mt. 3 (1900) 



387-. 

 Homography and involution. Fiedler, W. 



Schlomilch Z. 6 (1861) 1-. 

 Involution common to group of 5 lines and 



system of 9 planes. Serret, P. C. R. 113 



(1891) 326-, 347-. 



of different orders in systems of 2nd species. 

 Battaglini, G. (ix) Nap. Ac. At. 2 (1865) A*b. 

 19, 15 pp. 



Plane involution. Poudra, N. G. N. A. Mth. 

 3 (1864) 498-. 



relatively to sphere. Poudra, N. G. 

 N. A. Mth. 4 (1865) 493-. 



Points. Mobius, A. F. Leip. B. 7 (1855) 

 33-. 



in plane. Mobius, A. F. Leip. B. (1853) 

 176-. 



, 6, systems lying in three ways. Maschke, 



H. A. Mth. 10 (1895-96) 22-. 

 , 8, in plane, involutions formed by. Le 



Pont, H. G. Teix. J. Sc. 7 (1886) 91-. 

 Poles of pencil in involution. Gribodo t G. 



[1880] Tor. Ac. Sc. At. 15 (1879) 521-. 

 Protective involutions. Paolis, R. de. Bm. 



R. Ac. Line. Rd. 2 (1886) (Sem. 2) 335-. 



Perspective 6840 



Projective involutions, and projective, pyra- 

 midal, triangular and other relations. Ter- 

 quem, O. N. A. Mth. 6 (1847) 68-. 



Ranges. Sudden, E. Mth. Gz. 1 (1900) 86. 



Straight line, involution on, theorem. Jon- 

 quieres, E de. N. A. Mth. 19 (1860) 316-. 



Magnitude, theorems independent of. Seyde- 

 witz, F. Grunert Arch. 10 (1847) 59-. 



Panoramas. Petit, G. Rv. Sc. 43 (1889) 

 558-. 



Pencils, intersections of four line and two line. 

 Cayley, A. Ph. Mg. 29 (1865) 501-. 



of lines, theorems. Spottiswoode, W. 

 Camb. and Dubl. Mth. J. 6 (1851) 160-. 



, projective, determination of skew relation 

 of two in plane. Consentius, R. 0. Z. Mth. 

 Ps. 25 (1880) 122-. 



and ranges. Ramisch, A. Arch. Mth. Ps. 

 69 (1883) 54-. 



, projective. Gtipel, A. Grunert 

 Arch. 3 (1843) 93-. 



PERSPECTIVE. 



Tacani, F. Bb. It. 40 (1825) 417-. 



Lermier, J. Bordeaux Ac. Sc. Se. Pbl. (1829) 



40-. 



Fagnoli, G. Bologna N. Cm. 9 (1849) 553-. 

 Grunert, J. A. Grunert Arch. 32 (1859) 361-. 

 Larmor, A. QJ. Mth. 21 (1886) 339-. 

 PeliSek, M. Prag Sb. (1886) (Mth.-Nt.) 290-. 

 Rees, J. van. Mbl. Nt. (1888) 73-. 

 (Newton.) Graham, R. H. Nt. 41 (1890) 



439-. 



PeliSek, M. Prag Sb. (1890) 1 (Mth.-Nt.) 175-. 

 Affinity of two spaces. Beck, A. Z. Mth. Ps. 



44 (1899) 85-. 



Analytical perspective. Mossbrugger,L. Gru- 

 nert Arch. 11 (1848) 113-. 

 . Kahrer, G. Wien Jbr. Ober-Realsch. 



Inn. Stadt 2 (1860) 84-. 

 Anamorphosis and distortion. Hachette, J. N. P. 



Par, EC. Pol. Cor. 1 (1804-08) 361-. 

 new constructions for reflexion images 



forplane and curved surfaces. Niemtschik, R. 



Wien Sb. 53 (1866) (Ab. 2) 577-. 

 Architectural plans, effects of perspective with 



reference to. Menzel,C.A. Dingier 58 (1835) 



89-. 



Barycentric perspective, application to trans- 

 formation of structures. Rankine, W. J. M. 



(vin) Ph. Mg. 26 (1863) 387-. 

 Bounding plane in linear perspective. Anton, 



H. Wien Sb. 54 (1866) (Ab. 2) 230-. 

 Circle, perspective of. Lubbock, J. W. Ph. 



Mg. 5 (1829) 420-. 

 _, . Chapuis, . J. Ge"n. Civ. 8 (1830) 



131-. 

 , . Sobotka, J. Mh. Mth. Ps. 10 (1899) 



289-. 

 , , and axes of quadrics. Sobotka, J. 



Wien Ak. Sb. 109 (1900) (Ab. 2a) 583-. 

 , , theorems. Hey, R. Phil. Trans. 



(1814) 348-. 



475 



